/*
 * Copyright 2016-2018 shardingsphere.io.
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * </p>
 */

package io.shardingsphere.core.transaction.spi;

import io.shardingsphere.core.transaction.event.TransactionEvent;

/**
 * Hold transaction event for current thread.
 *
 * @author zhaojun
 */
public class TransactionEventHolder {
    
    private static Class<? extends TransactionEvent> transactionEvent;
    
    /**
     * Set transactionEvent.
     *
     * @param clazz class type of TransactionEvent
     */
    public static synchronized void set(final Class<? extends TransactionEvent> clazz) {
        transactionEvent = clazz;
    }
    
    /**
     * Get transactionEvent class type.
     *
     * @return transactionEvent class type
     */
    public static Class<? extends TransactionEvent> get() {
        return transactionEvent;
    }
}
